cyclone/c-api/group__gc__minor__sh__obj_gadcef32b0b5ee9c91f6748817015c67f7.html
2021-04-06 20:02:18 -07:00

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&#160;<span id="projectnumber">0.28.0</span>
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<li class="navelem"><a class="el" href="group__gc__minor__sh__obj.html">Shared object write barrier</a></li> </ul>
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<h2 class="memtitle"><span class="permalink"><a href="#gadcef32b0b5ee9c91f6748817015c67f7">&#9670;&nbsp;</a></span>transport_stack_value()</h2>
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<td class="memname"><a class="el" href="group__objects_ga71301352e6ef9a0fcf7b0a8bae72c535.html#ga71301352e6ef9a0fcf7b0a8bae72c535">object</a> transport_stack_value </td>
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<td class="paramtype"><a class="el" href="group__gc__major_gad107cf5b38c74e2cd84a8159940b6579.html#gad107cf5b38c74e2cd84a8159940b6579">gc_thread_data</a> *&#160;</td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>run_gc</em>&#160;</td>
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<p>new write barrier This function determines if a mutation introduces a pointer to a stack object from a heap object, and if so, either copies the object to the heap or lets the caller know a minor GC must be performed.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>Current thread's data object </td></tr>
<tr><td class="paramname">var</td><td>Object being mutated </td></tr>
<tr><td class="paramname">value</td><td>New value being associated to var </td></tr>
<tr><td class="paramname">run_gc</td><td>OUT parameter, returns 1 if minor GC needs to be invoked </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Pointer to <code>var</code> object </dd></dl>
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